Onllwyn
Onllwyn is a Village in the county of Neath Port Talbot (Castell-nedd Port Talbot).
Onllwyn postcode: SA10 9HG
There are great places to visit near Onllwyn.
Onllwyn History
There are some historic monuments around Onllwyn:
- Cefn Cul ring cairn
- Sand Hill ring cairn
- Bwlch y Ddeuwynt Round Cairn
- Pont Gihirych
- Cribarth Limestone Quarries and Tramroads
- Banwen Gwys Round Cairns
- Foel Chwern Round Cairn
- Hut Circle West of Saith Maen
- Carn Caglau cairn
- Fan Gyhirych round cairn
- Burnt Mound South of Fan Hir
- Hirfynydd Roman Earthwork
- Coed Ddu house platforms and enclosure
- Coelbren Fort
- Allt Fach Deserted Rural Settlement
- Craig-y-Rhiwarth Hillfort
- Tramroad at Ystradgynlais
- Bryn Llydan Round Barrow
- Remains of Venallt Ironworks
- Lorfa stone circle
- Round Cairn NW of Blaen-Nedd Isaf
- Three Round Cairns on Carn Caca
- Nant Tawe Fechan Burnt Mound
- Cerrig Duon Stone Circle
- Deserted Settlements 800m N of Blaenau Farm
- Remains of Blast Furnace at Melin Court
- Saith Maen
- Camp 280m S of Melin Court Brook
- Roman Marching Camp South West of Melin Court Brook
- Pentreclwydau Colliery
- Abercrave Ironworks
- Sand Hill round cairn
- Ynysgedwyn Colliery, Fan House
- Section of Road NE of Coelbren Fort
- Carn Cornel Round Cairn
- Lefel Fawr Coal Adit
- Pillow Mounds at Pant Mawr
- Canal Aqueduct over the River Twrch, Ystalyfera
- Llwyncwmstabl round cairn
- Bryn Llechwen ring cairn
- Coed Ddu ring cairn
- Tinplate works at Aberdulais Falls
- Roman Marching Camp South East of Coelbren Fort
- Carnau'r Gareg Las
- Mynydd March Hywel Round Cairn
- Remains of Blast Furnaces at Banwen
